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Mobile phone password

Before introducing all kinds of passwords, let's analyze the following two concepts: "Network operators and suppliers (or?

Internet service provider) ". Network operators are the organizations responsible for the normal work of GSM (Global System for Mobile Communications) networks. Different countries have different network operators. In China, the largest network operator is China Telecom. Suppliers are responsible for the access of mobile phones to GSM networks, such as China Mobile Communication and China Unicom (a network that rents telecommunications). As far as users are concerned, we only contact suppliers, so if there is any problem with the mobile phone (except the mobile phone itself), we just need to find China Mobile or China Unicom to solve it.

Below I will introduce the respective uses of commonly used mobile phone passwords:

1. Mobile phone password

The mobile phone password is used to prevent the mobile phone from being stolen. After the function of "Privacy Settings"-"Power-on Password"-"Phone Password" is turned on, the phone can only be used when it is turned on, that is, this password is a lock of the phone itself. Generally, the default value of mobile phone password is 1234 (such as Motorola's T2688) or 0000 (such as Panasonic's GD90 and Samsung600c).

2.pin 1 code

Pin 1 code is a personal identification number provided by the supplier to protect the secret of Sim card. After the function of "Privacy Settings"-"Power-on Password"-"PIN" is turned on, you need to enter the pin 1 code to use the mobile phone, that is, this password is a lock on the Sim card. The default value is 1234. If the mobile phone password and pin 1 code

At the same time, enter the pin 1 code first, and then enter the mobile phone password. Pin 1 code will be locked after three mistakes, so it needs to be used.

Puk 1 unlock.

3.puk 1 code

Puk 1 code is the unlocking code of pin 1 code provided by the supplier, which is an irregular series of numbers. Puk 1 lost ten times.

Wrong, the sim card will be permanently locked, so the sim card has to be replaced.

4.pin2 code

Pin2 code is another password of sim card provided by the supplier, which is used to restrict the personal identification code of dialing and other functions. It is mainly used to eliminate the data of telephone charges, set the charging currency and charging unit of telephone charges, limit the charging function and limit dialing (after "Privacy Settings"-"Limit Dialing" is turned on, the mobile phone can only dial the number set in it and cannot use the telephone book). The default value of my mobile phone sim card is 2345. Pin2 code will be locked after three wrong entries, and it needs to be unlocked with puk2.

5.puk2 code

Puk2 code is the unlocking code of pin2 code provided by the supplier, which is an irregular series of numbers. Puk2 lost ten times

Wrong, the sim card will also be permanently locked, so we need to replace the sim card.

Note: The codes of pin 1, pin2, puk 1 and puk2 can be inquired from suppliers, and pin 1 and pin2 can also be modified by themselves (knowing the original password).

6.sim card unlock code

Mainly used to unlock the function of "locking sim card". In order to prevent an unknown sim card from using the mobile phone without permission, the function of "Lock sim Card" ("Security Settings"-"Lock sim Card") can be turned on. In this way, if the sim card in the mobile phone is not allowed, you should enter the unlock code according to the prompt when starting the phone. The default value is 00000000. Many friends often ask how to identify the production date of their machines, which is very simple for Panasonic mobile phones.

Mobile phone lock: *2767*2878#/*2767*7377#

Samsung chip reset: *2767*3855# can also be used for unlocking or locking.

Samsung monitor temperature and battery capacity: *#0228#

Samsung Tone Display Contrast: *#0523#

Samsung Software Version: *#9999#

Samsung A 100-A 188 see version: *#0837#

Motorola T2688 unlock all locks: 19980722

T2688/1988/988d/988d in Chinese: *#0000# OK (card)

All Motorola locks: press menu +5+ 1/2.

Siemens returned to factory settings: *#9999#

Siemens scribbled back to Chinese: *#0000#/*#0086#

Siemens Software Version: *#06# Left key

Ericsson returns to English: *#0000#

Ericsson's new machine returns to English: press CLR- left key -0000- right key.

Ericsson shows the factory date: right, *, left, left, *, left, *.

Nokia factory date: *#0000# (plug-in card)

Nokia saves 30% electricity: * # 746025625 #

Philips forced reconnection: *#2562*#

Philips displays and changes the mobile phone password: *#7489*#

Bosch) 909S reply to Chinese: *#0852#

BOSCH)909s back to English: *#085 1#

NEC display software version: *#2820#

NEC restores the original factory settings: *#73738#

Hiding function of waveguide s 1000: *#*# 1705#

Waveguide s 1000 Unlocked: *#*# 1705#46 (also used for 999D and 720)

If it crashes, use it again -2468 1357 (or use it directly)

Waveguide 8xx/9xx series: * #+serial number 7-65438+ bit 04 #

Delete the last bit from the last 9 bits of the serial number of the SIM card waveguide.

Alcatel OT22 1/220 unlocked: 25228352/ Alcatel+d.

Alcatel OT30 1/302 Unlocked: 83227423

Alcatel OT500/700 Unlocked: 25228352

Konka: * # 0001# * #1001#1#

Konka Xiaoxue 52 19: # 8879576 # Original: 1234

GVC: * # 100 1 * (Haier)

South Institute of Technology 320 starts, enter ## 100 1#, then load the card and enter 0000 OK.

Mitsubishi netlock: * 787090 or *787292

Mitsubishi imsi lock: * 362628 or *360608

Mitsubishi NetSubLock: * 476989

Mitsubishi cplock: * 482896 or *480896

Mitsubishi splock: * 967678

Mitsubishi extension lock: * 574243

General secret technology of Philips mobile phone

When the phone is in standby mode, please enter the following key combinations:

*#06# View IME string code

*#2254*# Display status line

*#2255*# Debugging call mode

*#2558*# Displays the call time.

*#2562*# Force reconnection to the network system.

*#7489*# Display and change the phone password.

*#7378*# Displays some SIM card information, such as phaselevel.

*#3377*# Read the SIM card information, initialize and mark it.

*#7693*# Turn the sleep mode on or off.

*#8463*# Reading sleep mode information

*#337*# EFR mode on/off

*#4764*# Single frequency/dual frequency? Staring at grapefruit? Switch single frequency GSM900)

*#4765*# Single-frequency/dual-frequency setting (switch single-frequency GSM 1800)

*#4762*# Single Frequency/Dual Frequency Settings (Switch to Dual Frequency Mode)

Alcatel test key

In standby mode, enter "000000*" to monitor network conditions, including signal strength and channels being used.

Enter the following keys for NEC DB2000 mobile phone password in standby mode:

"*#2820#", and then press the call button to display the software version of the mobile phone.

"*73738#", and then press the call button to restore the mobile phone to the factory state.